/* Copyright (c) 2022-2022, LiWangQian<liwangqian@huawei.com> All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 *    of conditions and the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef LIBSIM_UUID_H_INCLUDED
#define LIBSIM_UUID_H_INCLUDED

#include "libsim/utils/comparable.h"
#include "libsim/utils/formatter.h"
#include <string_view>
#include <string>
#include <fmt/format.h>

namespace libsim {

class uuid : public comparable<uuid, uuid> {
public:
    uuid();

    constexpr int compara(const uuid &other) const noexcept
    {
        return (&other == this) ? 0 : id_.compare(other.id_);
    }

    auto value() const noexcept
    {
        return id_;
    }

private:
    std::string id_;
};

} // namespace libsim

template <>
struct fmt::formatter<libsim::uuid> {
    auto parse(fmt::format_parse_context& context) noexcept
    {
        return libsim::string_formatter.parse(context);
    }

    template <typename FormatContext>
    auto format(const libsim::uuid &uuid, FormatContext &context) noexcept
    {
        return libsim::string_formatter.format(uuid.value(), context);
    }
};

#endif /* LIBSIM_UUID_H_INCLUDED */
